title: Internet Explorer
---

Only in IE7+
------------

Unsupported in IE6 and below:

 - Selectors:
    - `>` _(child)_
    - `[attr]` _(attribute)_
    - `.class1.class2` _(multiple classes)_
    - `~` _(sibling)_

 - CSS properties:
   - `max-width`
   - `position: fixed`

Only in IE8+
------------

Unsupported in IE7 and below:

 - Selectors/pseudos:
    - `+` _(adjacent)_
    - `:first-child` _(unless for static\* elements)_
    - `:focus`
    - `:before`, `:after`

 - CSS properties:
   - `outline`
   - `display: inline-block` _(unless on `<span>`)_
   - `display: table`
   - `whitespace: pre-wrap`
   - `whitespace: pre-line`
   - `border-collapse`, `border-spacing`, `table-layout`, ...
   - `box-sizing`

 - Features:
   - PNG alpha transparency
   - `data:` URI

 - JS features:
   - JSON parsing
   - Cross-origin resource sharing

Only in IE9+
------------

 - Selectors/pseudos:
   - `:first-of-type`, `:last-of-type`
   - `:last-child`
   - `:empty`
   - `:enabled`, `:disabled`, `:checked`
   - `:not()`
   - `:nth-child()`, `:nth-last-child()`,
   - `:nth-of-type()`, `:nth-last-of-type()`, `:only-of-type()`
   - `:only-child()`
   - `:target`
   - `::selection`

 - CSS properties:
   - `background-clip`
   - `background-origin`
   - `background-size`
   - `background: x, y, z` (multiple backgrounds)
   - `opacity`
   - `border-radius`
   - `box-shadow`
   - `rgba()`
   - `-ms-transform`

 - CSS features:
   - `@media` queries

 - HTML5 features:
   - `<canvas>`
   - `<svg>`
   - `<img src='image.svg'>`

Only in IE10+
-------------

 - CSS features:
   - `-ms-animation`
   - `transition`
   - `linear-gradient()`

 - Features:
   - `<input placeholder='..'>`
   - `<input type='range'>`

 - HTML5 features:
   - Web sockets

Not in IE10 (or below) at all
-----------------------------

 - CSS properties:
   - `text-shadow`

Misc
----

 * "Static" = doesn't work for elements inserted via JS